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chemical engineering polymer technology MCQs

Practise multiple-choice questions from chemical engineering polymer technology for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering polymer technology Mcqs
1. Synthetic polymer produced by using terephthalic acid and ethylene glycol is _________________?
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A. Nylon-66

B. PVC

C. Polystyrene

D. Terylene
2. The monomer of poly vinyl chloride (PVC) is__________________?
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A. Ethylene dichloride

B. Chloroethane

C. Ethyl chloride

D. Chloroform

3. Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are__________________?
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A. 0C and 3 kgf/cm2

B. 20C and 1 kgf/cm2

C. 5C and 1 kgf/cm2

D. 0C and 1 kgf/cm2

4. _______________ practically possess no elasticity?
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A. Vulcanite or ebonite

B. Epoxy resin

C. Polysulphide rubber

D. Spandex fibre

5. Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids ?
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A. Cellulose

B. Nucleic acids

C. Proteins

D. Starch

6. Non sulphonated hard bakelites are not used for making _______________________?
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A. Combs

B. Formica table tops

C. Ion-exchange resins

D. Fountain pen barrels

7. Perspex can be used as a substitute of glass. Its monomer is__________________?
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A. DMT

B. Butadiene

C. Tetrafluoroethylene

D. Methyl methacrylate
8. ____________ polymer is used for making unbreakable crockery?
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A. Melamine

B. Addition

C. None of these

D. Thermoplastic

9. Polyvinyl alcohol is used as a___________________?
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A. Cation/anion exchanger

B. Water soluble adhesive

C. Non-sticky coating on frying pans

D. Textile fibre

10. Which of the following polymers is used for making a non stick coating on frying pans ?
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A. Perspex

B. PVC

C. Bakelite

D. Teflon
11. Neoprene is rendered non-inflammable, because of_____________________?
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A. The absence of chlorine atoms in its monomer

B. Its cross-linked structure

C. Its linear chain structure

D. The presence of chlorine atoms in its monomer
12. Polypropylene compared to polythene is___________________?
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A. Stronger

B. Harder

C. Lighter

D. All A., B. and C.
13. Buna-S is also known as_________________?
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A. Teflon

B. Polycrylates

C. PTFE

D. SBR
14. Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of _______________ percent?
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A. 1-1000

B. 1000-1500

C. 1500-2000

D. 2000-2500

15. Thermoplastic resins usually____________________?
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A. Permanent setting resins

B. Less brittle than thermosetting resins

C. Cannot be reclaimed from waste

D. Remain hard as long as they are hot

16. Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a _______________?
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A. Polyamide & an elastomer

B. Good adhesive

C. Surface coating agent

D. Both B. and C.
17. Amino resins are used in paper treatment to improve its__________________?
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A. Folding endurance

B. All A., B. & C.

C. Wet rub resistance

D. Wet tear and bursting strength

18. Viscosity of a polymer solution or melt _________________?
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A. Does not vary with temperature rise

B. Decreases with increase in molecular weight

C. Increases with increase in temperature

D. Decreases with increase in temperature

19. Nylon-6 as compared to nylon-66 is_________________?
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A. Having higher melting point

B. More abrasion resistant

C. Harder

D. None of these
20. Automobile steering wheels are normally made of__________________?
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A. Cellulose acetate

B. Cellulose nitrate

C. PVC

D. High density polythene